Nex-N2.5-Pro is $0.03 cheaper per 1M input tokens (25% lower; 1.33x difference).
API cost decision in 10 seconds
NewClaude Haiku 5.5 vs Nex-N2.5-Pro
Pick Nex-N2.5-Pro for lower cost; pick Claude Haiku 5.5 only if the larger context window matters more.
Budget verdict
Pick Nex-N2.5-Pro for lower cost; pick Claude Haiku 5.5 only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Nex-N2.5-Pro is estimated at $0.2 vs $0.35 for Claude Haiku 5.5, saving $0.15 (42.9% lower).
Claude Haiku 5.5 has more context, but Nex-N2.5-Pro saves $0.15 on the standard workload. At 10x that traffic, the same price gap is about $1.5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Nex-N2.5-Pro stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Claude Haiku 5.5 | Nex-N2.5-Pro |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Nex-N2.5-Pro | $0.75 | $0.5 |
| Balanced workload | 1M input + 1M output | Nex-N2.5-Pro | $0.6 | $0.33 |
| Output-heavy chatbot | 1M input + 5M output | Nex-N2.5-Pro | $2.6 | $1.32 |
Nex-N2.5-Pro is $0.25 cheaper per 1M output tokens (50% lower; 2x difference).
Claude Haiku 5.5 has 737.86K more context (3.81x larger).
Nex-N2.5-Pro is $0.15 cheaper on the standard workload (42.9% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Nex-N2.5-Pro has the lower input price; Nex-N2.5-Pro has the lower output price; Claude Haiku 5.5 offers the larger context window. For the 1M input plus 500K output sample, Nex-N2.5-Pro is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $0.35 for Claude Haiku 5.5 and $0.2 for Nex-N2.5-Pro.
Choose Claude Haiku 5.5 when you care most about larger context window.
Choose Nex-N2.5-Pro when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Nex-N2.5-Pro is estimated at $0.2 vs $0.35 for Claude Haiku 5.5, saving $0.15 (42.9% lower).
- Nex-N2.5-Pro is $0.15 cheaper on the standard workload (42.9% lower).
- Nex-N2.5-Pro is $0.03 cheaper per 1M input tokens (25% lower; 1.33x difference).
- Nex-N2.5-Pro is $0.25 cheaper per 1M output tokens (50% lower; 2x difference).
- Claude Haiku 5.5 has 737.86K more context (3.81x larger).
| Feature | NewClaude Haiku 5.5 (Anthropic) | Nex-N2.5-Pro (Nex AGI) |
|---|---|---|
| Input Price prompt tokens per 1M | $0.1 | $0.075 |
| Completion Price per 1M tokens | $0.5 | $0.25 |
| Sample Workload Cost 1M input + 500K output | $0.35 | $0.2 |
| Context Window | 1M | 262.14K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Nex-N2.5-Pro | On the standard 1M input plus 500K output workload, Nex-N2.5-Pro is estimated at $0.2 vs $0.35 for Claude Haiku 5.5, saving $0.15 (42.9% lower). |
| High-volume input processing | Nex-N2.5-Pro | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Nex-N2.5-Pro | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Claude Haiku 5.5 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Claude Haiku 5.5 (batch) can replace Claude Haiku 5.5 when lower sample workload cost matters most: $0.17.
- Nex-N2.5-Mini (free) can replace Nex-N2.5-Pro when lower sample workload cost matters most: $0.
- Nex-N2.5-Pro (free) can replace Nex-N2.5-Pro when lower sample workload cost matters most: $0.
- Nex-N2-Pro (free) can replace Nex-N2.5-Pro when lower sample workload cost matters most: $0.
- MiMo-V2.6-Flash offers 1.05M context with $0.28 sample workload cost.
- GPT-6 Luna offers 1.05M context with $0.35 sample workload cost.
- GPT-6 Luna Pro offers 1.05M context with $0.35 sample workload cost.
- GPT-6 Luna Pro (batch) offers 1.05M context with $0.17 sample workload cost.
- DeepSeek V4.1 Flash · DeepSeek · #1
- Step 5 Preview · StepFun · #2
- GLM 5.3 Flash · Z.ai · #3
- MiMo-V2.6-Flash · Xiaomi · #4
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsAnthropic catalog
Review all tracked Anthropic models before deciding whether this matchup is the right shortlist.
Open Anthropic modelsNex AGI catalog
Check other Nex AGI models with comparable pricing, context, or release timing.
Open Nex AGI modelsClaude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
Nex-N2.5 is an agentic model built to turn goals into working, verified outcomes. Its core strength is agentic coding within a visual feedback loop: it can explore codebases, implement multi-file...